Fix bug in elision recognition

allzweckmesser/scanner.py

@@ -221,7 +221,9 @@ def get_syllables_for_token(token: Token):
                             syllable_length=syll_vowel_length)
             syllables.append(syll)
     else:
-        syllables = []
+        if not token.is_punct():
+            syllables = [Syllable(syllable=token.text, span=token.span, idx=None,
+                                vowel_length=1, syllable_length=1)]
     return syllables
 
 
@@ -269,12 +271,21 @@ def positional_lengthening(verse):
 def make_elisions(verse):
     for reading in verse.readings:
         for i, token in enumerate(reading.tokens):
-            if i < len(reading.tokens) - 1:
+            if not token.is_punct() and i < len(reading.tokens) - 1:
                 this_syllable = token.syllables[-1]
-                next_syllable = reading.tokens[i+1].syllables[0]
+                j = i
+                for j in range(i + 1, len(reading.tokens)):
+                    if not reading.tokens[j].is_punct():
+                        next_syllable = reading.tokens[j].syllables[0]
+                        break
+                else:
+                    # No succeeding syllable has been found.
+                    # Break the for and continue with the next reading.
+                    break
+
                 m = re.search(r'[aeiouy][mh]*$', this_syllable.text)
                 if m:
-                    if re.search(r'h?[aeiouy]', next_syllable.text):
+                    if re.search(r'^h?[aeiouy]', next_syllable.text):
                         # Elision!
                         this_syllable.phenomena['elision'] = Phenomenon(omitted=m.group())
                         this_syllable.syllable_length = 0